<template>
    <!--搜索表单-->
    <div>
    <div>
        <el-input style="width: 240px" placeholder="请输入名称" v-model="params.name"></el-input>
        <el-button style="margin-left: 5px" type="primary" @click="load"><i class="el-icon-search"></i>搜索</el-button>
        <el-button style="margin-left: 5px" type="warning" @click="reset"><i class="el-icon-refresh"></i>重置</el-button>
    </div>
    <!--展示列表-->
    <el-table :data="tableData" stripe row-key="id" default-expand-all>
        <el-table-column  prop="id" label="id"></el-table-column>
        <el-table-column prop="name" label="名称"></el-table-column>
        <el-table-column prop="remark" label="备注"></el-table-column>
        <el-table-column prop="createtime" label="创建时间"></el-table-column>
        <el-table-column prop="updatetime" label="更新时间"></el-table-column>
        <el-table-column label="操作" >
            <template v-slot="scope">
                <el-button type="primary" @click="$router.push('/EditCategory?id='+scope.row.id)">编辑</el-button>
                <el-button type="success" v-if="!scope.row.pid" slot="reference" @click="handleAdd(scope.row)">添加二级分类</el-button>
                <el-popconfirm
                    style="margin-left: 5px"
                    title="确认删除这行数据吗？"
                    @confirm="del(scope.row.id)"
                >
                    <el-button type="danger" slot="reference">删除</el-button>
                </el-popconfirm>
            </template>
        </el-table-column>
    </el-table>

    <div style="margin-top: 10px">
        <el-pagination
        background
        :page-size="params.pageSize"
        :current-page="params.pageNum"
        layout="prev,pager,next"
        @current-change="handleCurrentChange"
        :total="total">
        </el-pagination>
    </div>
        <!--弹窗-->
        <el-dialog title="添加二级分类" :visible.sync="dialogFormVisible" width="30%">
            <el-form :model="form" label-width="100"px ref="formRef" :rules="rules">
                <el-form-item label="名称" prop="name">
                    <el-input v-model="form.name" autocomplete="off" ></el-input>
                </el-form-item>
                <el-form-item label="备注" prop="remark">
                    <el-input v-model="form.remark" autocomplete="off" ></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="save">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
    import request from "@/util/request";
    export default {
        name: "Category",
        data(){
            return{
                tableData:[],
                total: 0,
                form:{},
                pid:null,
                dialogFormVisible:false,
                params:{
                    pageNum:1,
                    pageSize:10,
                    name:"",
                },
                rules: {
                    name: [
                        {required: true, message: '请输入分类名称', trigger: 'blur'},
                    ]
                }
            }
        },
        created() {
            this.load()
        },
        methods:{
            load(){
                request.get("/category/page",{
                    params:this.params
                }).then(res=>{
                    if (res.code=="200"){
                        this.tableData=res.data.list
                        this.total=res.data.total
                    }
                })
            },
            reset(){
            this.params={
                pageNum:1,
                pageSize:10,
                name:"",
                category:"",

            }
            this.load()
            },
            handleCurrentChange(pageNum){
                //点击分页按钮会触发
                this.params.pageNum=pageNum;
                this.load();
            },
            del(id){
                request.delete("/category/"+id).then(res=>{
                    if (res.code=="200"){
                        this.$notify.success("删除成功")
                        this.load()
                    }else{
                        this.$notify.error(res.msg)
                    }
                })
            },
            handleAdd(row){
                //将当前行的id作为二级分类的id
                this.pid=row.id
                this.dialogFormVisible=true
            },
            save(){
                this.$refs['formRef'].validate((valid) => {
                    if (valid){
                        //给二级分类赋值一个pid
                        this.form.pid=this.pid
                        request.post("/category/add",this.form).then(res=>{
                            if (res.code=="200"){
                                this.$notify.success("添加二级分类成功")
                                this.dialogFormVisible = false
                                this.form={}
                                this.load()
                            }else{
                                this.$notify.error(res.msg)
                            }
                        })
                    }
                })
            }
        }
    }
</script>

<style scoped>

</style>
